Blockchain is a distributed ledger technology that allows for secure, transparent, and tamper-proof transactions. Blockchain is used in many applications, such as cryptocurrency, supply chain management, and identity verification. Popular blockchain platforms include Ethereum, Bitcoin, and Hyperledger Fabric. Chat with us Natural language processing (NLP) is a field of AI that focuses on enabling computers to understand and interpret human language. NLP is used in many applications, such as virtual assistants, chatbots, and sentiment analysis. Popular NLP platforms include spaCy, NLTK, and Gensim.